[TASK] adjust default autoprefixer options to company guidelines

app/index.js

@@ -122,7 +122,7 @@ module.exports = yeoman.generators.Base.extend((function() {
 						type: 'input',
 						name: 'autoprefixerBrowserSelection',
 						message: 'Please provide the configuration strings for autoprefixer',
-						default: '\'last 1 version\', \'> 1%\', \'ie 8\', \'ie 7\''
+						default: '\'last 1 version\', \'> 1%\', \'ie 8\''
 					}
 				], function(_answers) {
 					answers = _.extend(answers, _answers);